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227479 (2005 WE190)
Classification: Main-belt Asteroid          SPK-ID: 2227479
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09332385276760866 1.0405e-07  
a 2.597226978428789 2.3656e-08 au
q 2.354843750289839 2.7385e-07 au
i 14.06911317841406 9.2478e-06 deg
node 199.7282876420348 1.4976e-05 deg
peri 151.2100278712135 3.6506e-05 deg
M 268.1198383360643 3.2668e-05 deg
tp 2459590.695750116083
(2022-Jan-11.19575012)
0.00014125 TDB
period 1528.844393587157
4.19
2.0887e-05
5.719e-08
d
yr
n .2354719692272443 3.2171e-09 deg/d
Q 2.839610206567738 2.5864e-08 au
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      5887 days (16.12 yr)  
   first obs. used      2004-05-30  
   last obs. used      2020-07-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57817  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:55  

Additional Information
 Earth MOID = 1.35848 au 
 Jupiter MOID = 2.56038 au 
 T_jup = 3.368 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.30   n/a E2021B55  

227479 (2005 WE190)          Discovered 2005-Nov-20 by LONEOS at Anderson Mesa
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1921-Sep-27 23:55 00:05 Amphi 0.0342836687592726 0.0342805173453325 0.0342868703402062 7.05022872116294 7.05022869737907 2422960.496347141 5.07134106352322 2501.05546355289 88.7020342655224 -86.991482111585 57729.9376805526 T 16 CATAB v2.0f-lin.ifort 2021-Apr-14 00:39:56 2021-Apr-14 00:39
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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